关 键 词：

JX 风选 设计 图纸

资源描述：

JX风选粉机设计带图纸,JX,风选,设计,图纸

内容简介：

盐城工学院毕业设计说明书 2006EX1000高效二次风选粉机（传动及壳体部件）设计摘要：为了提高水泥粉磨系统中选粉系统的选粉效率，降低循环负荷，本课题设计了水泥圈流系统中采用的二次风选粉机。二次风选粉机是在高细转子选粉机的基础上，集悬浮分散、预分级和平面涡流分级技术于一体，专为水泥磨系统适应新标准而设计的专利产品。运用类比法，结合其他选粉机的优点，确定壳体的整体布局方案。在适当位置布置约束内锥，以稳定选粉室内的气体流场及增强二次选粉的效果；细粉分离与收集装置采用高效低阻旋风筒,提高各级细粉和超细粉的收集量。壳体的改进有利于降低系统风的阻力，提高选粉效率。选粉机采用整体紧凑设计，大大降低了占据空间，且大大提高了选粉效率。机体工作运行平稳，安装维修方便。选粉机设计的主要特点是采用二次风结构，即在选粉机进风管道上增设一个旁路支风管，作为二次风管，并设置一个机外调节的风阀，二次风气流切向进入选粉室内。这样可以有效地控制上升风速，改变和控制细度。二次风的导入，对粗颗粒能进行二次切割，改善成品的颗粒级配。关键词：二次风 ；高效选粉机 ；类比法 ；旋风筒；选粉效率；约束内锥Design of EX1000 high efficiency powder-selecting machine with secondary air (transmission and shell parts)Abstract：In order to improve the powder-selecting efficiency of the powder-selecting system in cement grinding system, reduce circulation load, the powder-selecting machine with secondary air used in the cement loop system is designed. The powder-selecting machine with secondary air, which is combined the aerosol disperse, the pre-gradation with the plane vortex classified technology in a body, is specially designed to adapt to the new standard for cement grinding system in the foundation of the high thin rotor powder selecting machine. Adopting analogy method and combining the advantage of others，the overall arrangement scheme of the shell is determined. In order to stable the flow field in powder-selecting room and strengthen the effect of secondary powder-selecting, constrained inner cone is arranged in the appropriate position. The thin powder separation and the collecting device use the high efficiency coclone with low resistivity, thus the collection property of the fine dust and the ultra fine dust is enhanced. The improvement of the shell is of benefit to reduce the resistance of the system wind and improve the powderselecting efficiency. The powder-selecting machine is arranged rationally and compactly, occupying little space and improving powder-selecting efficiency greatly. It is the main characteristic that the structure with secondary air is adopted in the powder-selecting machine. By way of secondary air duct, an additional bypass tuyere is set on air-supply line of the powder-selecting machine. In addition, the wind valve for adjustment is established outside the machine, so that secondary air currents flow into power selecting room in circumferential direction. This may be able effectively to control the rising wind speed, change and control fineness. Because of inducting secondary air, the coarse particles can be selected secondly, and grain grading of the finished product is improv